Guitar chords in the key of C major:
Chord C9-5 notes: C, E, Bb, D and Gb. You should not play the 6th string.
This chord is played by placing a barre on fret two with your index finger.
C dominant 9th b5 guitar chord's alternative names: C7(b5,9), C9b5.
1(C), 3(E), b5(F#/Gb), b7(A#/Bb), 9(D).